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<ul class="current"><li class="toctree-l1"><a class="reference internal" href="introduction.html">Introduction</a><ul><li class="toctree-l2"><a class="reference internal" href="tutorial/getting-started.html">Getting Started</a></li><li class="toctree-l2"><a class="reference external" href="https://docs.atlas.mongodb.com/getting-started/">Create an Atlas Free Tier Cluster</a></li><li class="toctree-l2"><a class="reference internal" href="core/databases-and-collections.html">Databases and Collections</a><ul><li class="toctree-l3"><a class="reference internal" href="core/views.html">Views</a></li><li class="toctree-l3"><a class="reference internal" href="core/materialized-views.html">On-Demand Materialized Views</a></li><li class="toctree-l3"><a class="reference internal" href="core/capped-collections.html">Capped Collections</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/document.html">Documents</a></li><li class="toctree-l2"><a class="reference internal" href="reference/bson-types.html">BSON Types</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/bson-type-comparison-order.html">Comparison/Sort Order</a></li><li class="toctree-l3"><a class="reference internal" href="reference/mongodb-extended-json.html">MongoDB Extended JSON (v2)</a></li><li class="toctree-l3"><a class="reference internal" href="reference/mongodb-extended-json-v1.html">MongoDB Extended JSON (v1)</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="installation.html">Installation</a><ul><li class="toctree-l2"><a class="reference internal" href="administration/install-community.html">Install MongoDB Community Edition</a><ul><li class="toctree-l3"><a class="reference internal" href="administration/install-on-linux.html">Install on Linux</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-red-hat.html">Install on Red Hat</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-on-red-hat-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-ubuntu.html">Install on Ubuntu</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-on-ubuntu-tarball.html">Install using .tgz Tarball</a></li><li class="toctree-l5"><a class="reference internal" href="reference/installation-ubuntu-community-troubleshooting.html">Troubleshoot Ubuntu Installation</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-debian.html">Install on Debian</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-on-debian-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-suse.html">Install on SUSE</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-on-suse-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-amazon.html">Install on Amazon</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-on-amazon-tarball.html">Install using .tgz Tarball</a></li></ul></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/install-mongodb-on-os-x.html">Install on macOS</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-os-x-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/install-mongodb-on-windows.html">Install on Windows</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-on-windows-unattended.html">Install using msiexec.exe</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/install-enterprise.html">Install MongoDB Enterprise</a><ul><li class="toctree-l3"><a class="reference internal" href="administration/install-enterprise-linux.html">Install on Linux</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-red-hat.html">Install on Red Hat</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-red-hat-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-ubuntu.html">Install on Ubuntu</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-ubuntu-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-debian.html">Install on Debian</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-debian-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-suse.html">Install on SUSE</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-suse-tarball.html">Install using .tgz Tarball</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-amazon.html">Install on Amazon</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-amazon-tarball.html">Install using .tgz Tarball</a></li></ul></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-os-x.html">Install on macOS</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-windows.html">Install on Windows</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/install-mongodb-enterprise-on-windows-unattended.html">Install using msiexec.exe</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/install-mongodb-enterprise-with-docker.html">Install with Docker</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/upgrade-community-to-enterprise.html">Upgrade MongoDB Community to MongoDB Enterprise</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/upgrade-to-enterprise-standalone.html">Upgrade to MongoDB Enterprise (Standalone)</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/upgrade-to-enterprise-replica-set.html">Upgrade to MongoDB Enterprise (Replica Set)</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/upgrade-to-enterprise-sharded-cluster.html">Upgrade to MongoDB Enterprise (Sharded Cluster)</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/verify-mongodb-packages.html">Verify Integrity of MongoDB Packages</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="mongo.html">The <code class="docutils literal"><span class="pre">mongo</span></code> Shell</a><ul><li class="toctree-l2"><a class="reference internal" href="tutorial/configure-mongo-shell.html">Configure the <code class="docutils literal"><span class="pre">mongo</span></code> Shell</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/access-mongo-shell-help.html">Access the <code class="docutils literal"><span class="pre">mongo</span></code> Shell Help</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/write-scripts-for-the-mongo-shell.html">Write Scripts for the <code class="docutils literal"><span class="pre">mongo</span></code> Shell</a></li><li class="toctree-l2"><a class="reference internal" href="core/shell-types.html">Data Types in the <code class="docutils literal"><span class="pre">mongo</span></code> Shell</a></li><li class="toctree-l2"><a class="reference internal" href="reference/mongo-shell.html"><code class="docutils literal"><span class="pre">mongo</span></code> Shell Quick Reference</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="crud.html">MongoDB CRUD Operations</a><ul><li class="toctree-l2"><a class="reference internal" href="tutorial/insert-documents.html">Insert Documents</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/insert-methods.html">Insert Methods</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/query-documents.html">Query Documents</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/query-embedded-documents.html">Query on Embedded/Nested Documents</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/query-arrays.html">Query an Array</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/query-array-of-documents.html">Query an Array of Embedded Documents</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/project-fields-from-query-results.html">Project Fields to Return from Query</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/query-for-null-fields.html">Query for Null or Missing Fields</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/iterate-a-cursor.html">Iterate a Cursor in the <code class="docutils literal"><span class="pre">mongo</span></code> Shell</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/update-documents.html">Update Documents</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/update-documents-with-aggregation-pipeline.html">Updates with Aggregation Pipeline</a></li><li class="toctree-l3"><a class="reference internal" href="reference/update-methods.html">Update Methods</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/remove-documents.html">Delete Documents</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/delete-methods.html">Delete Methods</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/bulk-write-operations.html">Bulk Write Operations</a></li><li class="toctree-l2"><a class="reference internal" href="core/retryable-writes.html">Retryable Writes</a></li><li class="toctree-l2"><a class="reference internal" href="reference/sql-comparison.html">SQL to MongoDB Mapping Chart</a></li><li class="toctree-l2"><a class="reference internal" href="text-search.html">Text Search</a><ul><li class="toctree-l3"><a class="reference internal" href="core/link-text-indexes.html">Text Indexes</a></li><li class="toctree-l3"><a class="reference internal" href="core/text-search-operators.html">Text Search Operators</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/text-search-in-aggregation.html">Text Search in the Aggregation Pipeline</a></li><li class="toctree-l3"><a class="reference internal" href="reference/text-search-languages.html">Text Search Languages</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="geospatial-queries.html">Geospatial Queries</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/geospatial-tutorial.html">Find Restaurants with Geospatial Queries</a></li><li class="toctree-l3"><a class="reference internal" href="reference/geojson.html">GeoJSON Objects</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/read-concern.html">Read Isolation (Read Concern)</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/read-concern-local.html">Read Concern <code class="docutils literal"><span class="pre">&quot;local&quot;</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/read-concern-available.html">Read Concern <code class="docutils literal"><span class="pre">&quot;available&quot;</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/read-concern-majority.html">Read Concern <code class="docutils literal"><span class="pre">&quot;majority&quot;</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/read-concern-linearizable.html">Read Concern <code class="docutils literal"><span class="pre">&quot;linearizable&quot;</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/read-concern-snapshot.html">Read Concern <code class="docutils literal"><span class="pre">&quot;snapshot&quot;</span></code></a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/write-concern.html">Write Acknowledgement (Write Concern)</a></li><li class="toctree-l2"><a class="reference internal" href="core/crud.html">MongoDB CRUD Concepts</a><ul><li class="toctree-l3"><a class="reference internal" href="core/write-operations-atomicity.html">Atomicity and Transactions</a></li><li class="toctree-l3"><a class="reference internal" href="core/read-isolation-consistency-recency.html">Read Isolation, Consistency, and Recency</a><ul><li class="toctree-l4"><a class="reference internal" href="core/causal-consistency-read-write-concerns.html">Causal Consistency and Read and Write Concerns</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/distributed-queries.html">Distributed Queries</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/perform-findAndModify-linearizable-reads.html">Linearizable Reads via <code class="docutils literal"><span class="pre">findAndModify</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="core/query-plans.html">Query Plans</a></li><li class="toctree-l3"><a class="reference internal" href="core/query-optimization.html">Query Optimization</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/evaluate-operation-performance.html">Evaluate Performance of Current Operations</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/optimize-query-performance-with-indexes-and-projections.html">Optimize Query Performance</a></li><li class="toctree-l4"><a class="reference internal" href="core/write-performance.html">Write Operation Performance</a></li><li class="toctree-l4"><a class="reference internal" href="reference/explain-results.html">Explain Results</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/analyze-query-plan.html">Analyze Query Performance</a></li><li class="toctree-l3"><a class="reference internal" href="core/tailable-cursors.html">Tailable Cursors</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="aggregation.html">Aggregation</a><ul><li class="toctree-l2"><a class="reference internal" href="core/aggregation-pipeline.html">Aggregation Pipeline</a><ul><li class="toctree-l3"><a class="reference internal" href="core/aggregation-pipeline-optimization.html">Aggregation Pipeline Optimization</a></li><li class="toctree-l3"><a class="reference internal" href="core/aggregation-pipeline-limits.html">Aggregation Pipeline Limits</a></li><li class="toctree-l3"><a class="reference internal" href="core/aggregation-pipeline-sharded-collections.html">Aggregation Pipeline and Sharded Collections</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/aggregation-zip-code-data-set.html">Example with ZIP Code Data</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/aggregation-with-user-preference-data.html">Example with User Preference Data</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/map-reduce.html">Map-Reduce</a><ul><li class="toctree-l3"><a class="reference internal" href="core/map-reduce-sharded-collections.html">Map-Reduce and Sharded Collections</a></li><li class="toctree-l3"><a class="reference internal" href="core/map-reduce-concurrency.html">Map-Reduce Concurrency</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/map-reduce-examples.html">Map-Reduce Examples</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/perform-incremental-map-reduce.html">Perform Incremental Map-Reduce</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/troubleshoot-map-function.html">Troubleshoot the Map Function</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/troubleshoot-reduce-function.html">Troubleshoot the Reduce Function</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/aggregation.html">Aggregation Reference</a><ul><li class="toctree-l3"><a class="reference internal" href="meta/aggregation-quick-reference.html">Aggregation Pipeline Quick Reference</a></li><li class="toctree-l3"><a class="reference internal" href="reference/operator/aggregation/interface.html">Aggregation Commands</a></li><li class="toctree-l3"><a class="reference internal" href="reference/aggregation-commands-comparison.html">Aggregation Commands Comparison</a></li><li class="toctree-l3"><a class="reference internal" href="reference/aggregation-variables.html">Variables in Aggregation Expressions</a></li><li class="toctree-l3"><a class="reference internal" href="reference/sql-aggregation-comparison.html">SQL to Aggregation Mapping Chart</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="data-modeling.html">Data Models</a><ul><li class="toctree-l2"><a class="reference internal" href="core/data-modeling-introduction.html">Data Modeling Introduction</a></li><li class="toctree-l2"><a class="reference internal" href="core/schema-validation.html">Schema Validation</a></li><li class="toctree-l2"><a class="reference internal" href="core/data-models.html">Data Modeling Concepts</a><ul><li class="toctree-l3"><a class="reference internal" href="core/data-model-design.html">Data Model Design</a></li><li class="toctree-l3"><a class="reference internal" href="core/data-model-operations.html">Operational Factors and Data Models</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="applications/data-models.html">Data Model Examples and Patterns</a><ul><li class="toctree-l3"><a class="reference internal" href="applications/data-models-relationships.html">Model Relationships Between Documents</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/model-embedded-one-to-one-relationships-between-documents.html">Model One-to-One Relationships with Embedded Documents</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-embedded-one-to-many-relationships-between-documents.html">Model One-to-Many Relationships with Embedded Documents</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-referenced-one-to-many-relationships-between-documents.html">Model One-to-Many Relationships with Document References</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="applications/data-models-tree-structures.html">Model Tree Structures</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/model-tree-structures-with-parent-references.html">Model Tree Structures with Parent References</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-tree-structures-with-child-references.html">Model Tree Structures with Child References</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-tree-structures-with-ancestors-array.html">Model Tree Structures with an Array of Ancestors</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-tree-structures-with-materialized-paths.html">Model Tree Structures with Materialized Paths</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-tree-structures-with-nested-sets.html">Model Tree Structures with Nested Sets</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="applications/data-models-applications.html">Model Specific Application Contexts</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/model-data-for-atomic-operations.html">Model Data for Atomic Operations</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-data-for-keyword-search.html">Model Data to Support Keyword Search</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-data-for-schema-versioning.html">Model Data for Schema Versioning</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-monetary-data.html">Model Monetary Data</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-time-data.html">Model Time Data</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/model-computed-data.html">Model Computed Data</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/data-models.html">Data Model Reference</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/database-references.html">Database References</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="core/transactions.html">Transactions</a><ul><li class="toctree-l2"><a class="reference internal" href="core/transactions-in-applications.html">Drivers API</a></li><li class="toctree-l2"><a class="reference internal" href="core/transactions-production-consideration.html">Production Considerations</a></li><li class="toctree-l2"><a class="reference internal" href="core/transactions-sharded-clusters.html">Production Considerations (Sharded Clusters)</a></li><li class="toctree-l2"><a class="reference internal" href="core/transactions-operations.html">Transactions and Operations</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="indexes.html">Indexes</a><ul><li class="toctree-l2"><a class="reference internal" href="core/index-single.html">Single Field Indexes</a></li><li class="toctree-l2"><a class="reference internal" href="core/index-compound.html">Compound Indexes</a></li><li class="toctree-l2"><a class="reference internal" href="core/index-multikey.html">Multikey Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="core/multikey-index-bounds.html">Multikey Index Bounds</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/index-text.html">Text Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/specify-language-for-text-index.html">Specify a Language for Text Index</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/avoid-text-index-name-limit.html">Specify Name for <code class="docutils literal"><span class="pre">text</span></code> Index</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/control-results-of-text-search.html">Control Search Results with Weights</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/limit-number-of-items-scanned-for-text-search.html">Limit the Number of Entries Scanned</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/index-wildcard.html">Wildcard Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/index-wildcard-restrictions.html">Wildcard Index Restrictions</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/2dsphere.html"><code class="docutils literal"><span class="pre">2dsphere</span></code> Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/query-a-2dsphere-index.html">Query a <code class="docutils literal"><span class="pre">2dsphere</span></code> Index</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/2d.html"><code class="docutils literal"><span class="pre">2d</span></code> Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/build-a-2d-index.html">Create a <code class="docutils literal"><span class="pre">2d</span></code> Index</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/query-a-2d-index.html">Query a <code class="docutils literal"><span class="pre">2d</span></code> Index</a></li><li class="toctree-l3"><a class="reference internal" href="core/geospatial-indexes.html"><code class="docutils literal"><span class="pre">2d</span></code> Index Internals</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/calculate-distances-using-spherical-geometry-with-2d-geospatial-indexes.html">Calculate Distance Using Spherical Geometry</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/geohaystack.html"><code class="docutils literal"><span class="pre">geoHaystack</span></code> Indexes</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/build-a-geohaystack-index.html">Create a Haystack Index</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/query-a-geohaystack-index.html">Query a Haystack Index</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/index-hashed.html">Hashed Indexes</a></li><li class="toctree-l2"><a class="reference internal" href="core/index-properties.html">Index Properties</a><ul><li class="toctree-l3"><a class="reference internal" href="core/index-ttl.html">TTL Indexes</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/expire-data.html">Expire Data from Collections by Setting TTL</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/index-unique.html">Unique Indexes</a></li><li class="toctree-l3"><a class="reference internal" href="core/index-partial.html">Partial Indexes</a></li><li class="toctree-l3"><a class="reference internal" href="core/index-case-insensitive.html">Case Insensitive Indexes</a></li><li class="toctree-l3"><a class="reference internal" href="core/index-sparse.html">Sparse Indexes</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/index-creation.html">Index Builds on Populated Collections</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/build-indexes-on-replica-sets.html">Build Indexes on Replica Sets</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/build-indexes-on-sharded-clusters.html">Build Indexes on Sharded Clusters</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/index-intersection.html">Index Intersection</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/manage-indexes.html">Manage Indexes</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/measure-index-use.html">Measure Index Use</a></li><li class="toctree-l2"><a class="reference internal" href="applications/indexes.html">Indexing Strategies</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/create-indexes-to-support-queries.html">Create Indexes to Support Your Queries</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/sort-results-with-indexes.html">Use Indexes to Sort Query Results</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/ensure-indexes-fit-ram.html">Ensure Indexes Fit in RAM</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/create-queries-that-ensure-selectivity.html">Create Queries that Ensure Selectivity</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/indexes.html">Indexing Reference</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="security.html">Security</a><ul><li class="toctree-l2"><a class="reference internal" href="administration/security-checklist.html">Security Checklist</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/enable-authentication.html">Enable Access Control</a></li><li class="toctree-l2"><a class="reference internal" href="core/authentication.html">Authentication</a><ul><li class="toctree-l3"><a class="reference internal" href="core/security-users.html">Users</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/create-users.html">Add Users</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/authentication-mechanisms.html">Authentication Mechanisms</a><ul><li class="toctree-l4"><a class="reference internal" href="core/security-scram.html">SCRAM</a></li><li class="toctree-l4"><a class="reference internal" href="core/security-x.509.html">x.509</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/configure-x509-client-authentication.html">Use x.509 Certificates to Authenticate Clients</a></li></ul></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/authentication-mechanisms-enterprise.html">Enterprise Authentication Mechanisms</a><ul><li class="toctree-l4"><a class="reference internal" href="core/kerberos.html">Kerberos Authentication</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/control-access-to-mongodb-with-kerberos-authentication.html">Configure MongoDB with Kerberos Authentication on Linux</a></li><li class="toctree-l5"><a class="reference internal" href="tutorial/control-access-to-mongodb-windows-with-kerberos-authentication.html">Configure MongoDB with Kerberos Authentication on Windows</a></li><li class="toctree-l5"><a class="reference internal" href="tutorial/troubleshoot-kerberos.html">Troubleshoot Kerberos Authentication</a></li><li class="toctree-l5"><a class="reference internal" href="tutorial/kerberos-auth-activedirectory-authz.html">Configure MongoDB with Kerberos Authentication and Active Directory Authorization</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="core/security-ldap.html">LDAP Proxy Authentication</a><ul><li class="toctree-l5"><a class="reference internal" href="tutorial/configure-ldap-sasl-activedirectory.html">Authenticate Using SASL and LDAP with ActiveDirectory</a></li><li class="toctree-l5"><a class="reference internal" href="tutorial/configure-ldap-sasl-openldap.html">Authenticate Using SASL and LDAP with OpenLDAP</a></li><li class="toctree-l5"><a class="reference internal" href="tutorial/authenticate-nativeldap-activedirectory.html">Authenticate and Authorize Users Using Active Directory via Native LDAP</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="core/security-ldap-external.html">LDAP Authorization</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/security-internal-authentication.html">Internal/Membership Authentication</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/deploy-replica-set-with-keyfile-access-control.html">Deploy Replica Set With Keyfile Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/enforce-keyfile-access-control-in-existing-replica-set.html">Update Replica Set to Keyfile Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/enforce-keyfile-access-control-in-existing-replica-set-without-downtime.html">Update Replica Set to Keyfile Authentication (No Downtime)</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/rotate-key-replica-set.html">Rotate Keys for Replica Sets</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/deploy-sharded-cluster-with-keyfile-access-control.html">Deploy Sharded Cluster with Keyfile Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/enforce-keyfile-access-control-in-existing-sharded-cluster.html">Update Sharded Cluster to Keyfile Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/enforce-keyfile-access-control-in-existing-sharded-cluster-no-downtime.html">Update Sharded Cluster to Keyfile Authentication (No Downtime)</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/rotate-key-sharded-cluster.html">Rotate Keys for Sharded Clusters</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/configure-x509-member-authentication.html">Use x.509 Certificate for Membership Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/upgrade-keyfile-to-x509.html">Upgrade from Keyfile Authentication to x.509 Authentication</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/rotate-x509-membership-certificates.html">Rolling Update of x.509 Cluster Certificates that Contain New DN</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/authorization.html">Role-Based Access Control</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/built-in-roles.html">Built-In Roles</a></li><li class="toctree-l3"><a class="reference internal" href="core/security-user-defined-roles.html">User-Defined Roles</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-users-and-roles.html">Manage Users and Roles</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/change-own-password-and-custom-data.html">Change Your Password and Custom Data</a></li><li class="toctree-l3"><a class="reference internal" href="core/collection-level-access-control.html">Collection-Level Access Control</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/security-transport-encryption.html">TLS/SSL (Transport Encryption)</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-ssl.html">Configure <code class="docutils literal"><span class="pre">mongod</span></code> and <code class="docutils literal"><span class="pre">mongos</span></code> for TLS/SSL</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-ssl-clients.html">TLS/SSL Configuration for Clients</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/upgrade-cluster-to-ssl.html">Upgrade a Cluster to Use TLS/SSL</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-fips.html">Configure MongoDB for FIPS</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/security-encryption-at-rest.html">Encryption at Rest</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-encryption.html">Configure Encryption</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/rotate-encryption-key.html">Rotate Encryption Keys</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/security-client-side-encryption.html">Client-Side Field Level Encryption</a><ul><li class="toctree-l3"><a class="reference internal" href="core/security-automatic-client-side-encryption.html">Automatic Client-Side Field Level Encryption</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/security-client-side-automatic-json-schema.html">Automatic Encryption Rules</a></li><li class="toctree-l4"><a class="reference internal" href="reference/security-client-side-query-aggregation-support.html">Read/Write Support with Automatic Field Level Encryption</a></li><li class="toctree-l4"><a class="reference internal" href="reference/security-client-side-encryption-appendix.html">Appendix</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/security-explicit-client-side-encryption.html">Explicit (Manual) Client-Side Field Level Encryption</a></li><li class="toctree-l3"><a class="reference internal" href="core/security-client-side-encryption-key-management.html">Master Key and Data Encryption Key Management</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/manage-client-side-encryption-data-keys.html">Manage Data Encryption Keys</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/security-client-side-encryption-limitations.html">Limitations</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/auditing.html">Auditing</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-auditing.html">Configure Auditing</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-audit-filters.html">Configure Audit Filters</a></li><li class="toctree-l3"><a class="reference internal" href="reference/audit-message.html">System Event Audit Messages</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/security-hardening.html">Network and Configuration Hardening</a><ul><li class="toctree-l3"><a class="reference internal" href="core/security-mongodb-configuration.html">IP Binding</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-linux-iptables-firewall.html">Configure Linux <code class="docutils literal"><span class="pre">iptables</span></code> Firewall for MongoDB</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-windows-netsh-firewall.html">Configure Windows <code class="docutils literal"><span class="pre">netsh</span></code> Firewall for MongoDB</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/implement-field-level-redaction.html">Implement Field Level Redaction</a></li><li class="toctree-l2"><a class="reference internal" href="reference/security.html">Security Reference</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/system-roles-collection.html"><code class="docutils literal"><span class="pre">system.roles</span></code> Collection</a></li><li class="toctree-l3"><a class="reference internal" href="reference/system-users-collection.html"><code class="docutils literal"><span class="pre">system.users</span></code> Collection</a></li><li class="toctree-l3"><a class="reference internal" href="reference/resource-document.html">Resource Document</a></li><li class="toctree-l3"><a class="reference internal" href="reference/privilege-actions.html">Privilege Actions</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="tutorial/create-a-vulnerability-report.html">Create a Vulnerability Report</a></li><li class="toctree-l2"><a class="reference internal" href="appendix/security.html">Appendix</a><ul><li class="toctree-l3"><a class="reference internal" href="appendix/security/appendixA-openssl-ca.html">Appendix A - OpenSSL CA Certificate for Testing</a></li><li class="toctree-l3"><a class="reference internal" href="appendix/security/appendixB-openssl-server.html">Appendix B - OpenSSL Server Certificates for Testing</a></li><li class="toctree-l3"><a class="reference internal" href="appendix/security/appendixC-openssl-client.html">Appendix C - OpenSSL Client Certificates for Testing</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="changeStreams.html">Change Streams</a><ul><li class="toctree-l2"><a class="reference internal" href="administration/change-streams-production-recommendations.html">Change Streams Production Recommendations</a></li><li class="toctree-l2"><a class="reference internal" href="reference/change-events.html">Change Events</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="replication.html">Replication</a><ul><li class="toctree-l2"><a class="reference internal" href="core/replica-set-members.html">Replica Set Members</a><ul><li class="toctree-l3"><a class="reference internal" href="core/replica-set-primary.html">Replica Set Primary</a></li><li class="toctree-l3"><a class="reference internal" href="core/replica-set-secondary.html">Replica Set Secondary Members</a><ul><li class="toctree-l4"><a class="reference internal" href="core/replica-set-priority-0-member.html">Priority 0 Replica Set Members</a></li><li class="toctree-l4"><a class="reference internal" href="core/replica-set-hidden-member.html">Hidden Replica Set Members</a></li><li class="toctree-l4"><a class="reference internal" href="core/replica-set-delayed-member.html">Delayed Replica Set Members</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/replica-set-arbiter.html">Replica Set Arbiter</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/replica-set-oplog.html">Replica Set Oplog</a></li><li class="toctree-l2"><a class="reference internal" href="core/replica-set-sync.html">Replica Set Data Synchronization</a></li><li class="toctree-l2"><a class="reference internal" href="core/replica-set-architectures.html">Replica Set Deployment Architectures</a><ul><li class="toctree-l3"><a class="reference internal" href="core/replica-set-architecture-three-members.html">Three Member Replica Sets</a></li><li class="toctree-l3"><a class="reference internal" href="core/replica-set-architecture-geographically-distributed.html">Replica Sets Distributed Across Two or More Data Centers</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/replica-set-high-availability.html">Replica Set High Availability</a><ul><li class="toctree-l3"><a class="reference internal" href="core/replica-set-elections.html">Replica Set Elections</a></li><li class="toctree-l3"><a class="reference internal" href="core/replica-set-rollbacks.html">Rollbacks During Replica Set Failover</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="applications/replication.html">Replica Set Read and Write Semantics</a><ul><li class="toctree-l3"><a class="reference internal" href="core/replica-set-write-concern.html">Write Concern for Replica Sets</a></li><li class="toctree-l3"><a class="reference internal" href="core/read-preference.html">Read Preference</a><ul><li class="toctree-l4"><a class="reference internal" href="core/read-preference-tags.html">Tag Sets</a></li><li class="toctree-l4"><a class="reference internal" href="core/read-preference-staleness.html">maxStalenessSeconds</a></li><li class="toctree-l4"><a class="reference internal" href="core/read-preference-use-cases.html">Read Preference Use Cases</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/read-preference-mechanics.html">Server Selection Algorithm</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/replica-set-deployment.html">Replica Set Deployment Tutorials</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/deploy-replica-set.html">Deploy a Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/deploy-replica-set-for-testing.html">Deploy a Replica Set for Testing and Development</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/deploy-geographically-distributed-replica-set.html">Deploy a Geographically Redundant Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/add-replica-set-arbiter.html">Add an Arbiter to Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-standalone-to-replica-set.html">Convert a Standalone to a Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/expand-replica-set.html">Add Members to a Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/remove-replica-set-member.html">Remove Members from Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/replace-replica-set-member.html">Replace a Replica Set Member</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/replica-set-member-configuration.html">Member Configuration Tutorials</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/adjust-replica-set-member-priority.html">Adjust Priority for Replica Set Member</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-secondary-only-replica-set-member.html">Prevent Secondary from Becoming Primary</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-a-hidden-replica-set-member.html">Configure a Hidden Replica Set Member</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-a-delayed-replica-set-member.html">Configure a Delayed Replica Set Member</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-a-non-voting-replica-set-member.html">Configure Non-Voting Replica Set Member</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-secondary-into-arbiter.html">Convert a Secondary to an Arbiter</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/replica-set-maintenance.html">Replica Set Maintenance Tutorials</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/change-oplog-size.html">Change the Size of the Oplog</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/perform-maintence-on-replica-set-members.html">Perform Maintenance on Replica Set Members</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/force-member-to-be-primary.html">Force a Member to Become Primary</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/resync-replica-set-member.html">Resync a Member of a Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-replica-set-tag-sets.html">Configure Replica Set Tag Sets</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/reconfigure-replica-set-with-unavailable-members.html">Reconfigure a Replica Set with Unavailable Members</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-chained-replication.html">Manage Chained Replication</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/change-hostnames-in-a-replica-set.html">Change Hostnames in a Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/configure-replica-set-secondary-sync-target.html">Configure a Secondary’s Sync Target</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/replication.html">Replication Reference</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/replica-configuration.html">Replica Set Configuration</a></li><li class="toctree-l3"><a class="reference internal" href="reference/replica-set-protocol-versions.html">Replica Set Protocol Version</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/troubleshoot-replica-sets.html">Troubleshoot Replica Sets</a></li><li class="toctree-l3"><a class="reference internal" href="reference/local-database.html">The <code class="docutils literal"><span class="pre">local</span></code> Database</a></li><li class="toctree-l3"><a class="reference internal" href="reference/replica-states.html">Replica Set Member States</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="sharding.html">Sharding</a><ul><li class="toctree-l2"><a class="reference internal" href="core/sharded-cluster-components.html">Sharded Cluster Components</a><ul><li class="toctree-l3"><a class="reference internal" href="core/sharded-cluster-shards.html">Shards</a></li><li class="toctree-l3"><a class="reference internal" href="core/sharded-cluster-config-servers.html">Config Servers (metadata)</a></li><li class="toctree-l3"><a class="reference internal" href="core/sharded-cluster-query-router.html">Router (mongos)</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/sharding-shard-key.html">Shard Keys</a></li><li class="toctree-l2"><a class="reference internal" href="core/hashed-sharding.html">Hashed Sharding</a></li><li class="toctree-l2"><a class="reference internal" href="core/ranged-sharding.html">Ranged Sharding</a></li><li class="toctree-l2"><a class="reference internal" href="tutorial/deploy-shard-cluster.html">Deploy a Sharded Cluster</a></li><li class="toctree-l2"><a class="reference internal" href="core/zone-sharding.html">Zones</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-shard-zone.html">Manage Shard Zones</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/sharding-segmenting-data-by-location.html">Segmenting Data by Location</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/sharding-tiered-hardware-for-varying-slas.html">Tiered Hardware for Varying SLA or SLO</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/sharding-segmenting-shards.html">Segmenting Data by Application or Customer</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/sharding-high-availability-writes.html">Distributed Local Writes for Insert Only Workloads</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/sharding-data-partitioning.html">Data Partitioning with Chunks</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/create-chunks-in-sharded-cluster.html">Create Chunks in a Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/split-chunks-in-sharded-cluster.html">Split Chunks in a Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/merge-chunks-in-sharded-cluster.html">Merge Chunks in a Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/modify-chunk-size-in-sharded-cluster.html">Modify Chunk Size in a Sharded Cluster</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/sharding-balancer-administration.html">Balancer</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-sharded-cluster-balancer.html">Manage Sharded Cluster Balancer</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/migrate-chunks-in-sharded-cluster.html">Migrate Chunks in a Sharded Cluster</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/sharded-cluster-administration.html">Administration</a><ul><li class="toctree-l3"><a class="reference internal" href="administration/sharded-cluster-config-servers.html">Config Server Administration</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/replace-config-server.html">Replace a Config Server</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/view-sharded-cluster-configuration.html">View Cluster Configuration</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/restart-sharded-cluster.html">Restart a Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/migrate-sharded-cluster-to-new-hardware.html">Migrate a Sharded Cluster to Different Hardware</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/add-shards-to-shard-cluster.html">Add Shards to a Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/remove-shards-from-cluster.html">Remove Shards from an Existing Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/clear-jumbo-flag.html">Clear <code class="docutils literal"><span class="pre">jumbo</span></code> Flag</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/backup-sharded-cluster-metadata.html">Back Up Cluster Metadata</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-sharded-cluster-to-replica-set.html">Convert Sharded Cluster to Replica Set</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-replica-set-to-replicated-shard-cluster.html">Convert a Replica Set to a Sharded Cluster</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-shard-standalone-to-shard-replica-set.html">Convert a Shard Standalone to a Shard Replica Set</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/sharding.html">Sharding Reference</a><ul><li class="toctree-l3"><a class="reference internal" href="core/sharded-cluster-requirements.html">Operational Restrictions</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/troubleshoot-sharded-clusters.html">Troubleshoot Sharded Clusters</a></li><li class="toctree-l3"><a class="reference internal" href="reference/config-database.html">Config Database</a></li></ul></li></ul></li><li class="toctree-l1 current"><a class="reference internal current" href="">Administration</a><ul><li class="toctree-l2"><a class="reference internal" href="administration/production-notes.html">Production Notes</a></li><li class="toctree-l2"><a class="reference internal" href="administration/production-checklist-operations.html">Operations Checklist</a></li><li class="toctree-l2"><a class="reference internal" href="administration/production-checklist-development.html">Development Checklist</a></li><li class="toctree-l2"><a class="reference internal" href="administration/analyzing-mongodb-performance.html">Performance</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-the-database-profiler.html">Database Profiler</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/database-profiler.html">Database Profiler Output</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/transparent-huge-pages.html">Disable Transparent Huge Pages (THP)</a></li><li class="toctree-l3"><a class="reference internal" href="reference/ulimit.html">UNIX <code class="docutils literal"><span class="pre">ulimit</span></code> Settings</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/configuration-and-maintenance.html">Configuration and Maintenance</a><ul><li class="toctree-l3"><a class="reference internal" href="administration/configuration.html">Run-time Database Configuration</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/upgrade-revision.html">Upgrade to the Latest Revision of MongoDB</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-mongodb-processes.html">Manage <code class="docutils literal"><span class="pre">mongod</span></code> Processes</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/terminate-running-operations.html">Terminate Running Operations</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/rotate-log-files.html">Rotate Log Files</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="data-center-awareness.html">Data Center Awareness</a><ul><li class="toctree-l3"><a class="reference internal" href="core/workload-isolation.html">Workload Isolation in MongoDB Deployments</a></li><li class="toctree-l3"><a class="reference internal" href="core/zone-sharding.html">Zones</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/manage-shard-zone.html">Manage Shard Zones</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/sharding-segmenting-data-by-location.html">Segmenting Data by Location</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/sharding-tiered-hardware-for-varying-slas.html">Tiered Hardware for Varying SLA or SLO</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/sharding-segmenting-shards.html">Segmenting Data by Application or Customer</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/sharding-high-availability-writes.html">Distributed Local Writes for Insert Only Workloads</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-shard-zone.html">Manage Shard Zones</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/backups.html">MongoDB Backup Methods</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/backup-with-filesystem-snapshots.html">Back Up and Restore with Filesystem Snapshots</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/backup-and-restore-tools.html">Back Up and Restore with MongoDB Tools</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/restore-replica-set-from-backup.html">Restore a Replica Set from MongoDB Backups</a></li><li class="toctree-l3"><a class="reference internal" href="administration/backup-sharded-clusters.html">Backup and Restore Sharded Clusters</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/backup-sharded-cluster-with-filesystem-snapshots.html">Back Up a Sharded Cluster with File System Snapshots</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/backup-sharded-cluster-with-database-dumps.html">Back Up a Sharded Cluster with Database Dumps</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/schedule-backup-window-for-sharded-clusters.html">Schedule Backup Window for Sharded Clusters</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/restore-sharded-cluster.html">Restore a Sharded Cluster</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="tutorial/recover-data-following-unexpected-shutdown.html">Recover a Standalone after an Unexpected Shutdown</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="administration/monitoring.html">Monitoring for MongoDB</a><ul><li class="toctree-l3"><a class="reference internal" href="administration/free-monitoring.html">Free Monitoring</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/monitor-with-snmp.html">Monitor MongoDB With SNMP on Linux</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/monitor-with-snmp-on-windows.html">Monitor MongoDB Windows with SNMP</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/troubleshoot-snmp.html">Troubleshoot SNMP</a></li></ul></li></ul></li><li class="toctree-l1"><a class="reference internal" href="storage.html">Storage</a><ul><li class="toctree-l2"><a class="reference internal" href="core/storage-engines.html">Storage Engines</a><ul><li class="toctree-l3"><a class="reference internal" href="core/wiredtiger.html">WiredTiger Storage Engine</a><ul><li class="toctree-l4"><a class="reference internal" href="tutorial/change-standalone-wiredtiger.html">Change Standalone to WiredTiger</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/change-replica-set-wiredtiger.html">Change Replica Set to WiredTiger</a></li><li class="toctree-l4"><a class="reference internal" href="tutorial/change-sharded-cluster-wiredtiger.html">Change Sharded Cluster to WiredTiger</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="core/inmemory.html">In-Memory Storage Engine</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/journaling.html">Journaling</a><ul><li class="toctree-l3"><a class="reference internal" href="tutorial/manage-journaling.html">Manage Journaling</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="core/gridfs.html">GridFS</a></li><li class="toctree-l2"><a class="reference internal" href="faq/storage.html">FAQ: MongoDB Storage</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="faq.html">Frequently Asked Questions</a><ul><li class="toctree-l2"><a class="reference internal" href="faq/fundamentals.html">FAQ: MongoDB Fundamentals</a></li><li class="toctree-l2"><a class="reference internal" href="faq/indexes.html">FAQ: Indexes</a></li><li class="toctree-l2"><a class="reference internal" href="faq/concurrency.html">FAQ: Concurrency</a></li><li class="toctree-l2"><a class="reference internal" href="faq/sharding.html">FAQ: Sharding with MongoDB</a></li><li class="toctree-l2"><a class="reference internal" href="faq/replica-sets.html">FAQ: Replication and Replica Sets</a></li><li class="toctree-l2"><a class="reference internal" href="faq/storage.html">FAQ: MongoDB Storage</a></li><li class="toctree-l2"><a class="reference internal" href="faq/diagnostics.html">FAQ: MongoDB Diagnostics</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="reference.html">Reference</a><ul><li class="toctree-l2"><a class="reference internal" href="reference/operator.html">Operators</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/operator/query.html">Query and Projection Operators</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-comparison.html">Comparison Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/eq.html">$eq</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/gt.html">$gt</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/gte.html">$gte</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/in.html">$in</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/lt.html">$lt</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/lte.html">$lte</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/ne.html">$ne</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/nin.html">$nin</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-logical.html">Logical Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/and.html">$and</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/not.html">$not</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/nor.html">$nor</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/or.html">$or</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-element.html">Element Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/exists.html">$exists</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/type.html">$type</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-evaluation.html">Evaluation Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/expr.html">$expr</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/jsonSchema.html">$jsonSchema</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/mod.html">$mod</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/regex.html">$regex</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/text.html">$text</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/where.html">$where</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-geospatial.html">Geospatial Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/geoIntersects.html">$geoIntersects</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/geoWithin.html">$geoWithin</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/near.html">$near</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/nearSphere.html">$nearSphere</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/box.html">$box</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/center.html">$center</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/centerSphere.html">$centerSphere</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/geometry.html">$geometry</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/maxDistance.html">$maxDistance</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/minDistance.html">$minDistance</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/polygon.html">$polygon</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/uniqueDocs.html">$uniqueDocs</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-array.html">Array Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/all.html">$all</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/elemMatch.html">$elemMatch (query)</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/size.html">$size</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query-bitwise.html">Bitwise Query Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/bitsAllClear.html">$bitsAllClear</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/bitsAllSet.html">$bitsAllSet</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/bitsAnyClear.html">$bitsAnyClear</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/query/bitsAnySet.html">$bitsAnySet</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/query/comment.html">$comment</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/projection.html">Projection Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/projection/positional.html">$ (projection)</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/projection/elemMatch.html">$elemMatch (projection)</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/projection/meta.html">$meta</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/projection/slice.html">$slice (projection)</a></li></ul></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/operator/update.html">Update Operators</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/operator/update-field.html">Field Update Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/currentDate.html">$currentDate</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/inc.html">$inc</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/min.html">$min</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/max.html">$max</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/mul.html">$mul</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/rename.html">$rename</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/set.html">$set</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/setOnInsert.html">$setOnInsert</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/unset.html">$unset</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/update-array.html">Array Update Operators</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/positional.html">$ (update)</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/positional-all.html">$[]</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/positional-filtered.html">$[&lt;identifier&gt;]</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/addToSet.html">$addToSet</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/pop.html">$pop</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/pull.html">$pull</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/push.html">$push</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/pullAll.html">$pullAll</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/each.html">$each</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/position.html">$position</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/slice.html">$slice</a></li><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/sort.html">$sort</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/update-bitwise.html">Bitwise Update Operator</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/operator/update/bit.html">$bit</a></li></ul></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/operator/aggregation-pipeline.html">Aggregation Pipeline Stages</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/addFields.html">$addFields (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/bucket.html">$bucket (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/bucketAuto.html">$bucketAuto (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/collStats.html">$collStats (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/count.html">$count (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/currentOp.html">$currentOp (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/facet.html">$facet (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/geoNear.html">$geoNear (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/graphLookup.html">$graphLookup (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/group.html">$group (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/indexStats.html">$indexStats (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/limit.html">$limit (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/listLocalSessions.html">$listLocalSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/listSessions.html">$listSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/lookup.html">$lookup (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/match.html">$match (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/merge.html">$merge (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/out.html">$out (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/planCacheStats.html">$planCacheStats</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/project.html">$project (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/redact.html">$redact (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/replaceRoot.html">$replaceRoot (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/replaceWith.html">$replaceWith (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sample.html">$sample (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/set.html">$set (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/skip.html">$skip (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sort.html">$sort (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sortByCount.html">$sortByCount (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/unset.html">$unset (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/unwind.html">$unwind (aggregation)</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/operator/aggregation.html">Aggregation Pipeline Operators</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/abs.html">$abs (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/acos.html">$acos (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/acosh.html">$acosh (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/add.html">$add (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/addToSet.html">$addToSet (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/allElementsTrue.html">$allElementsTrue (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/and.html">$and (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/anyElementTrue.html">$anyElementTrue (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/arrayElemAt.html">$arrayElemAt (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/arrayToObject.html">$arrayToObject (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/asin.html">$asin (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/asinh.html">$asinh (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/atan.html">$atan (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/atan2.html">$atan2 (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/atanh.html">$atanh (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/avg.html">$avg (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/ceil.html">$ceil (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/cmp.html">$cmp (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/concat.html">$concat (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/concatArrays.html">$concatArrays (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/cond.html">$cond (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/convert.html">$convert (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/cos.html">$cos (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dateFromParts.html">$dateFromParts (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dateToParts.html">$dateToParts (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dateFromString.html">$dateFromString (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dateToString.html">$dateToString (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dayOfMonth.html">$dayOfMonth (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dayOfWeek.html">$dayOfWeek (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/dayOfYear.html">$dayOfYear (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/degreesToRadians.html">$degreesToRadians (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/divide.html">$divide (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/eq.html">$eq (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/exp.html">$exp (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/filter.html">$filter (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/first.html">$first (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/floor.html">$floor (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/gt.html">$gt (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/gte.html">$gte (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/hour.html">$hour (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/ifNull.html">$ifNull (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/in.html">$in (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/indexOfArray.html">$indexOfArray (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/indexOfBytes.html">$indexOfBytes (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/indexOfCP.html">$indexOfCP (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/isArray.html">$isArray (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/isoDayOfWeek.html">$isoDayOfWeek (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/isoWeek.html">$isoWeek (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/isoWeekYear.html">$isoWeekYear (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/last.html">$last (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/let.html">$let (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/literal.html">$literal (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/ln.html">$ln (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/log.html">$log (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/log10.html">$log10 (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/lt.html">$lt (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/lte.html">$lte (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/ltrim.html">$ltrim (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/map.html">$map (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/max.html">$max (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/mergeObjects.html">$mergeObjects (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/meta.html">$meta (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/min.html">$min (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/millisecond.html">$millisecond (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/minute.html">$minute (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/mod.html">$mod (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/month.html">$month (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/multiply.html">$multiply (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/ne.html">$ne (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/not.html">$not (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/objectToArray.html">$objectToArray (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/or.html">$or (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/pow.html">$pow (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/push.html">$push (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/radiansToDegrees.html">$radiansToDegrees (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/range.html">$range (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/reduce.html">$reduce (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/regexFind.html">$regexFind (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/regexFindAll.html">$regexFindAll (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/regexMatch.html">$regexMatch (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/reverseArray.html">$reverseArray (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/round.html">$round (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/rtrim.html">$rtrim (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/second.html">$second (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/setDifference.html">$setDifference (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/setEquals.html">$setEquals (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/setIntersection.html">$setIntersection (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/setIsSubset.html">$setIsSubset (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/setUnion.html">$setUnion (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/size.html">$size (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sin.html">$sin (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/slice.html">$slice (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/split.html">$split (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sqrt.html">$sqrt (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/stdDevPop.html">$stdDevPop (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/stdDevSamp.html">$stdDevSamp (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/strcasecmp.html">$strcasecmp (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/strLenBytes.html">$strLenBytes (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/strLenCP.html">$strLenCP (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/substr.html">$substr (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/substrBytes.html">$substrBytes (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/substrCP.html">$substrCP (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/subtract.html">$subtract (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/sum.html">$sum (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/switch.html">$switch (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/tan.html">$tan (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toBool.html">$toBool (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toDate.html">$toDate (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toDecimal.html">$toDecimal (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toDouble.html">$toDouble(aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toInt.html">$toInt (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toLong.html">$toLong (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toObjectId.html">$toObjectId (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toString.html">$toString (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toLower.html">$toLower (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/toUpper.html">$toUpper (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/trim.html">$trim (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/trunc.html">$trunc (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/type.html">$type (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/week.html">$week (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/year.html">$year (aggregation)</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/aggregation/zip.html">$zip (aggregation)</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/operator/query-modifier.html">Query Modifiers</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/comment.html">$comment</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/explain.html">$explain</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/hint.html">$hint</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/max.html">$max</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/maxTimeMS.html">$maxTimeMS</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/min.html">$min</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/orderby.html">$orderby</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/query.html">$query</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/returnKey.html">$returnKey</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/showDiskLoc.html">$showDiskLoc</a></li><li class="toctree-l4"><a class="reference internal" href="reference/operator/meta/natural.html">$natural</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/command.html">Database Commands</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-aggregation.html">Aggregation Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/aggregate.html">aggregate</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/count.html">count</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/distinct.html">distinct</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/mapReduce.html">mapReduce</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-geospatial.html">Geospatial Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/geoSearch.html">geoSearch</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-crud.html">Query and Write Operation Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/delete.html">delete</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/find.html">find</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/findAndModify.html">findAndModify</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getLastError.html">getLastError</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getMore.html">getMore</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/insert.html">insert</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/resetError.html">resetError</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/update.html">update</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-plan-cache.html">Query Plan Cache Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheClear.html">planCacheClear</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheClearFilters.html">planCacheClearFilters</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheListFilters.html">planCacheListFilters</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheListPlans.html">planCacheListPlans</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheListQueryShapes.html">planCacheListQueryShapes</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/planCacheSetFilter.html">planCacheSetFilter</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-authentication.html">Authentication Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/authenticate.html">authenticate</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getnonce.html">getnonce</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/logout.html">logout</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-user-management.html">User Management Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/createUser.html">createUser</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropAllUsersFromDatabase.html">dropAllUsersFromDatabase</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropUser.html">dropUser</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/grantRolesToUser.html">grantRolesToUser</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/revokeRolesFromUser.html">revokeRolesFromUser</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/updateUser.html">updateUser</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/usersInfo.html">usersInfo</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-role-management.html">Role Management Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/createRole.html">createRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropRole.html">dropRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropAllRolesFromDatabase.html">dropAllRolesFromDatabase</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/grantPrivilegesToRole.html">grantPrivilegesToRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/grantRolesToRole.html">grantRolesToRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/invalidateUserCache.html">invalidateUserCache</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/revokePrivilegesFromRole.html">revokePrivilegesFromRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/revokeRolesFromRole.html">revokeRolesFromRole</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/rolesInfo.html">rolesInfo</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/updateRole.html">updateRole</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-replication.html">Replication Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/applyOps.html">applyOps</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/isMaster.html">isMaster</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetAbortPrimaryCatchUp.html">replSetAbortPrimaryCatchUp</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetFreeze.html">replSetFreeze</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetGetConfig.html">replSetGetConfig</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetGetStatus.html">replSetGetStatus</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetInitiate.html">replSetInitiate</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetMaintenance.html">replSetMaintenance</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetReconfig.html">replSetReconfig</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetResizeOplog.html">replSetResizeOplog</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetStepDown.html">replSetStepDown</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/replSetSyncFrom.html">replSetSyncFrom</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-sharding.html">Sharding Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/addShard.html">addShard</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/addShardToZone.html">addShardToZone</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/balancerStart.html">balancerStart</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/balancerStatus.html">balancerStatus</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/balancerStop.html">balancerStop</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/checkShardingIndex.html">checkShardingIndex</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/clearJumboFlag.html">clearJumboFlag</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/cleanupOrphaned.html">cleanupOrphaned</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/enableSharding.html">enableSharding</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/flushRouterConfig.html">flushRouterConfig</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getShardMap.html">getShardMap</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getShardVersion.html">getShardVersion</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/isdbgrid.html">isdbgrid</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/listShards.html">listShards</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/medianKey.html">medianKey</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/moveChunk.html">moveChunk</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/movePrimary.html">movePrimary</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/mergeChunks.html">mergeChunks</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/removeShard.html">removeShard</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/removeShardFromZone.html">removeShardFromZone</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/setShardVersion.html">setShardVersion</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/shardCollection.html">shardCollection</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/shardingState.html">shardingState</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/split.html">split</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/splitChunk.html">splitChunk</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/splitVector.html">splitVector</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/unsetSharding.html">unsetSharding</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/updateZoneKeyRange.html">updateZoneKeyRange</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-sessions.html">Sessions Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/abortTransaction.html">abortTransaction</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/commitTransaction.html">commitTransaction</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/endSessions.html">endSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/killAllSessions.html">killAllSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/killAllSessionsByPattern.html">killAllSessionsByPattern</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/killSessions.html">killSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/refreshSessions.html">refreshSessions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/startSession.html">startSession</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-administration.html">Administration Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/clean.html">clean</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/cloneCollection.html">cloneCollection</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/cloneCollectionAsCapped.html">cloneCollectionAsCapped</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/collMod.html">collMod</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/compact.html">compact</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/connPoolSync.html">connPoolSync</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/convertToCapped.html">convertToCapped</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/create.html">create</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/createIndexes.html">createIndexes</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/currentOp.html">currentOp</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/drop.html">drop</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropDatabase.html">dropDatabase</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropConnections.html">dropConnections</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dropIndexes.html">dropIndexes</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/filemd5.html">filemd5</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/fsync.html">fsync</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/fsyncUnlock.html">fsyncUnlock</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getParameter.html">getParameter</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/killCursors.html">killCursors</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/killOp.html">killOp</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/listCollections.html">listCollections</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/listDatabases.html">listDatabases</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/listIndexes.html">listIndexes</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/logRotate.html">logRotate</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/reIndex.html">reIndex</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/renameCollection.html">renameCollection</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/setFeatureCompatibilityVersion.html">setFeatureCompatibilityVersion</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/setParameter.html">setParameter</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/shutdown.html">shutdown</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-diagnostic.html">Diagnostic Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/availableQueryOptions.html">availableQueryOptions</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/buildInfo.html">buildInfo</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/collStats.html">collStats</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/connPoolStats.html">connPoolStats</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/connectionStatus.html">connectionStatus</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/cursorInfo.html">cursorInfo</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dataSize.html">dataSize</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dbHash.html">dbHash</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/dbStats.html">dbStats</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/diagLogging.html">diagLogging</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/driverOIDTest.html">driverOIDTest</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/explain.html">explain</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/features.html">features</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getCmdLineOpts.html">getCmdLineOpts</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/getLog.html">getLog</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/hostInfo.html">hostInfo</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/isSelf.html">isSelf</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/listCommands.html">listCommands</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/netstat.html">netstat</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/ping.html">ping</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/profile.html">profile</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/serverStatus.html">serverStatus</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/shardConnPoolStats.html">shardConnPoolStats</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/top.html">top</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/validate.html">validate</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/whatsmyuri.html">whatsmyuri</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-free-monitoring.html">Free Monitoring Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/getFreeMonitoringStatus.html">getFreeMonitoringStatus</a></li><li class="toctree-l4"><a class="reference internal" href="reference/command/setFreeMonitoring.html">setFreeMonitoring</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/command/nav-auditing.html">System Events Auditing Commands</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/command/logApplicationMessage.html">logApplicationMessage</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/method.html"><code class="docutils literal"><span class="pre">mongo</span></code> Shell Methods</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/method/js-collection.html">Collection Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.aggregate.html">db.collection.aggregate()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.bulkWrite.html">db.collection.bulkWrite()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.copyTo.html">db.collection.copyTo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.count.html">db.collection.count()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.countDocuments.html">db.collection.countDocuments()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.estimatedDocumentCount.html">db.collection.estimatedDocumentCount()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.createIndex.html">db.collection.createIndex()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.createIndexes.html">db.collection.createIndexes()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.dataSize.html">db.collection.dataSize()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.deleteOne.html">db.collection.deleteOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.deleteMany.html">db.collection.deleteMany()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.distinct.html">db.collection.distinct()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.drop.html">db.collection.drop()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.dropIndex.html">db.collection.dropIndex()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.dropIndexes.html">db.collection.dropIndexes()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.ensureIndex.html">db.collection.ensureIndex()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.explain.html">db.collection.explain()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.find.html">db.collection.find()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.findAndModify.html">db.collection.findAndModify()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.findOne.html">db.collection.findOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.findOneAndDelete.html">db.collection.findOneAndDelete()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.findOneAndReplace.html">db.collection.findOneAndReplace()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.findOneAndUpdate.html">db.collection.findOneAndUpdate()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.getIndexes.html">db.collection.getIndexes()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.getShardDistribution.html">db.collection.getShardDistribution()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.getShardVersion.html">db.collection.getShardVersion()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.insert.html">db.collection.insert()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.insertOne.html">db.collection.insertOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.insertMany.html">db.collection.insertMany()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.isCapped.html">db.collection.isCapped()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.latencyStats.html">db.collection.latencyStats()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.mapReduce.html">db.collection.mapReduce()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.reIndex.html">db.collection.reIndex()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.remove.html">db.collection.remove()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.renameCollection.html">db.collection.renameCollection()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.replaceOne.html">db.collection.replaceOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.save.html">db.collection.save()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.stats.html">db.collection.stats()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.storageSize.html">db.collection.storageSize()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.totalIndexSize.html">db.collection.totalIndexSize()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.totalSize.html">db.collection.totalSize()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.update.html">db.collection.update()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.updateOne.html">db.collection.updateOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.updateMany.html">db.collection.updateMany()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.watch.html">db.collection.watch()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.validate.html">db.collection.validate()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-cursor.html">Cursor Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.addOption.html">cursor.addOption()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.allowPartialResults.html">cursor.allowPartialResults()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.batchSize.html">cursor.batchSize()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.close.html">cursor.close()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.isClosed.html">cursor.isClosed()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.collation.html">cursor.collation()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.comment.html">cursor.comment()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.count.html">cursor.count()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.explain.html">cursor.explain()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.forEach.html">cursor.forEach()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.hasNext.html">cursor.hasNext()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.hint.html">cursor.hint()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.isExhausted.html">cursor.isExhausted()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.itcount.html">cursor.itcount()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.limit.html">cursor.limit()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.map.html">cursor.map()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.max.html">cursor.max()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.maxTimeMS.html">cursor.maxTimeMS()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.min.html">cursor.min()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.next.html">cursor.next()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.noCursorTimeout.html">cursor.noCursorTimeout()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.objsLeftInBatch.html">cursor.objsLeftInBatch()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.pretty.html">cursor.pretty()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.readConcern.html">cursor.readConcern()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.readPref.html">cursor.readPref()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.returnKey.html">cursor.returnKey()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.showRecordId.html">cursor.showRecordId()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.size.html">cursor.size()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.skip.html">cursor.skip()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.sort.html">cursor.sort()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.tailable.html">cursor.tailable()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cursor.toArray.html">cursor.toArray()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-database.html">Database Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.adminCommand.html">db.adminCommand()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.aggregate.html">db.aggregate()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.cloneCollection.html">db.cloneCollection()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.cloneDatabase.html">db.cloneDatabase()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.commandHelp.html">db.commandHelp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.copyDatabase.html">db.copyDatabase()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.createCollection.html">db.createCollection()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.createView.html">db.createView()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.currentOp.html">db.currentOp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.dropDatabase.html">db.dropDatabase()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.eval.html">db.eval()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.fsyncLock.html">db.fsyncLock()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.fsyncUnlock.html">db.fsyncUnlock()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getCollection.html">db.getCollection()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getCollectionInfos.html">db.getCollectionInfos()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getCollectionNames.html">db.getCollectionNames()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getLastError.html">db.getLastError()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getLastErrorObj.html">db.getLastErrorObj()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getLogComponents.html">db.getLogComponents()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getMongo.html">db.getMongo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getName.html">db.getName()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getProfilingLevel.html">db.getProfilingLevel()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getProfilingStatus.html">db.getProfilingStatus()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getReplicationInfo.html">db.getReplicationInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getSiblingDB.html">db.getSiblingDB()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.help.html">db.help()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.hostInfo.html">db.hostInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.isMaster.html">db.isMaster()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.killOp.html">db.killOp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.listCommands.html">db.listCommands()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.logout.html">db.logout()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.printCollectionStats.html">db.printCollectionStats()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.printReplicationInfo.html">db.printReplicationInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.printShardingStatus.html">db.printShardingStatus()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.printSlaveReplicationInfo.html">db.printSlaveReplicationInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.resetError.html">db.resetError()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.runCommand.html">db.runCommand()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.serverBuildInfo.html">db.serverBuildInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.serverCmdLineOpts.html">db.serverCmdLineOpts()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.serverStatus.html">db.serverStatus()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.setLogLevel.html">db.setLogLevel()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.setProfilingLevel.html">db.setProfilingLevel()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.shutdownServer.html">db.shutdownServer()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.stats.html">db.stats()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.version.html">db.version()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.watch.html">db.watch()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-plan-cache.html">Query Plan Cache Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.getPlanCache.html">db.collection.getPlanCache()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/PlanCache.clear.html">PlanCache.clear()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/PlanCache.clearPlansByQuery.html">PlanCache.clearPlansByQuery()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/PlanCache.getPlansByQuery.html">PlanCache.getPlansByQuery()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/PlanCache.help.html">PlanCache.help()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/PlanCache.listQueryShapes.html">PlanCache.listQueryShapes()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-bulk.html">Bulk Operation Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.initializeOrderedBulkOp.html">db.collection.initializeOrderedBulkOp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.collection.initializeUnorderedBulkOp.html">db.collection.initializeUnorderedBulkOp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.html">Bulk()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.execute.html">Bulk.execute()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.html">Bulk.find()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.arrayFilters.html">Bulk.find.arrayFilters()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.collation.html">Bulk.find.collation()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.hint.html">Bulk.find.hint()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.remove.html">Bulk.find.remove()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.removeOne.html">Bulk.find.removeOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.replaceOne.html">Bulk.find.replaceOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.updateOne.html">Bulk.find.updateOne()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.update.html">Bulk.find.update()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.find.upsert.html">Bulk.find.upsert()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.getOperations.html">Bulk.getOperations()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.insert.html">Bulk.insert()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.tojson.html">Bulk.tojson()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Bulk.toString.html">Bulk.toString()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-user-management.html">User Management Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.auth.html">db.auth()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.changeUserPassword.html">db.changeUserPassword()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.createUser.html">db.createUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.dropUser.html">db.dropUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.dropAllUsers.html">db.dropAllUsers()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getUser.html">db.getUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getUsers.html">db.getUsers()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.grantRolesToUser.html">db.grantRolesToUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.removeUser.html">db.removeUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.revokeRolesFromUser.html">db.revokeRolesFromUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.updateUser.html">db.updateUser()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/passwordPrompt.html">passwordPrompt()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-role-management.html">Role Management Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.createRole.html">db.createRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.dropRole.html">db.dropRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.dropAllRoles.html">db.dropAllRoles()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getRole.html">db.getRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getRoles.html">db.getRoles()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.grantPrivilegesToRole.html">db.grantPrivilegesToRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.revokePrivilegesFromRole.html">db.revokePrivilegesFromRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.grantRolesToRole.html">db.grantRolesToRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.revokeRolesFromRole.html">db.revokeRolesFromRole()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.updateRole.html">db.updateRole()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-replication.html">Replication Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.add.html">rs.add()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.addArb.html">rs.addArb()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.conf.html">rs.conf()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.freeze.html">rs.freeze()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.help.html">rs.help()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.initiate.html">rs.initiate()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.printReplicationInfo.html">rs.printReplicationInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.printSlaveReplicationInfo.html">rs.printSlaveReplicationInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.reconfig.html">rs.reconfig()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.remove.html">rs.remove()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.slaveOk.html">rs.slaveOk()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.status.html">rs.status()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.stepDown.html">rs.stepDown()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rs.syncFrom.html">rs.syncFrom()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-sharding.html">Sharding Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.addShard.html">sh.addShard()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.addShardTag.html">sh.addShardTag()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.addShardToZone.html">sh.addShardToZone()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.addTagRange.html">sh.addTagRange()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.disableBalancing.html">sh.disableBalancing()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.enableBalancing.html">sh.enableBalancing()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.disableAutoSplit.html">sh.disableAutoSplit</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.enableAutoSplit.html">sh.enableAutoSplit</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.enableSharding.html">sh.enableSharding()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.getBalancerHost.html">sh.getBalancerHost()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.getBalancerState.html">sh.getBalancerState()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.removeTagRange.html">sh.removeTagRange()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.removeRangeFromZone.html">sh.removeRangeFromZone()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.help.html">sh.help()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.isBalancerRunning.html">sh.isBalancerRunning()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.moveChunk.html">sh.moveChunk()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.removeShardTag.html">sh.removeShardTag()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.removeShardFromZone.html">sh.removeShardFromZone()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.setBalancerState.html">sh.setBalancerState()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.shardCollection.html">sh.shardCollection()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.splitAt.html">sh.splitAt()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.splitFind.html">sh.splitFind()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.startBalancer.html">sh.startBalancer()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.status.html">sh.status()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.stopBalancer.html">sh.stopBalancer()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.waitForBalancer.html">sh.waitForBalancer()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.waitForBalancerOff.html">sh.waitForBalancerOff()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.waitForPingChange.html">sh.waitForPingChange()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sh.updateZoneKeyRange.html">sh.updateZoneKeyRange()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/convertShardKeyToHashed.html">convertShardKeyToHashed</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-free-monitoring.html">Free Monitoring Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/db.disableFreeMonitoring.html">db.disableFreeMonitoring()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.enableFreeMonitoring.html">db.enableFreeMonitoring()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/db.getFreeMonitoringStatus.html">db.getFreeMonitoringStatus</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-constructor.html">Object Constructors and Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/BulkWriteResult.html">BulkWriteResult()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Date.html">Date()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ObjectId.html">ObjectId</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ObjectId.getTimestamp.html">ObjectId.getTimestamp()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ObjectId.toString.html">ObjectId.toString()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ObjectId.valueOf.html">ObjectId.valueOf()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/UUID.html">UUID()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/WriteResult.html">WriteResult()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/WriteResult.hasWriteError.html">WriteResult.hasWriteError()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/WriteResult.hasWriteConcernError.html">WriteResult.hasWriteConcernError()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-connection.html">Connection Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/connect.html">connect()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.html">Mongo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.getDB.html">Mongo.getDB()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.getReadPrefMode.html">Mongo.getReadPrefMode()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.getReadPrefTagSet.html">Mongo.getReadPrefTagSet()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.isCausalConsistency.html">Mongo.isCausalConsistency()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.setCausalConsistency.html">Mongo.setCausalConsistency()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.setReadPref.html">Mongo.setReadPref()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.setSlaveOk.html">Mongo.setSlaveOk()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.startSession.html">Mongo.startSession()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Mongo.watch.html">Mongo.watch()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/Session.html">Session</a><ul><li class="toctree-l5"><a class="reference internal" href="reference/method/Session.abortTransaction.html">Session.abortTransaction()</a></li><li class="toctree-l5"><a class="reference internal" href="reference/method/Session.commitTransaction.html">Session.commitTransaction()</a></li><li class="toctree-l5"><a class="reference internal" href="reference/method/Session.startTransaction.html">Session.startTransaction()</a></li></ul></li><li class="toctree-l4"><a class="reference internal" href="reference/method/SessionOptions.html">SessionOptions</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-native.html">Native Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/cat.html">cat()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/cd.html">cd()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/copyDbpath.html">copyDbpath()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/getHostName.html">getHostName()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/getMemInfo.html">getMemInfo()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/hostname.html">hostname()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/isInteractive.html">isInteractive()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/listFiles.html">listFiles()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/load.html">load()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ls.html">ls()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/md5sumFile.html">md5sumFile()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/mkdir.html">mkdir()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/pwd.html">pwd()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/quit.html">quit()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/removeFile.html">removeFile()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/resetDbpath.html">resetDbpath()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/sleep.html">sleep()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/setVerboseShell.html">setVerboseShell()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/version.html">version()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/isWindows.html">_isWindows()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/rand.html">_rand()</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="reference/method/js-client-side-field-level-encryption.html">Client-Side Field Level Encryption Methods</a><ul><li class="toctree-l4"><a class="reference internal" href="reference/method/getKeyVault.html">getKeyVault()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.createKey.html">KeyVault.createKey()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.deleteKey.html">KeyVault.deleteKey()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.getKey.html">KeyVault.getKey()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.getKeys.html">KeyVault.getKeys()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.addKeyAlternateName.html">KeyVault.addKeyAlternateName()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.removeKeyAlternateName.html">KeyVault.removeKeyAlternateName()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/KeyVault.getKeyByAltName.html">KeyVault.getKeyByAltName()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/getClientEncryption.html">getClientEncryption()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ClientEncryption.encrypt.html">ClientEncryption.encrypt()</a></li><li class="toctree-l4"><a class="reference internal" href="reference/method/ClientEncryption.decrypt.html">ClientEncryption.decrypt()</a></li></ul></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/program.html">MongoDB Package Components</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/program/mongod.html"><code class="docutils literal"><span class="pre">mongod</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongos.html"><code class="docutils literal"><span class="pre">mongos</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongo.html"><code class="docutils literal"><span class="pre">mongo</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongod.exe.html"><code class="docutils literal"><span class="pre">mongod.exe</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongos.exe.html"><code class="docutils literal"><span class="pre">mongos.exe</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongodump.html"><code class="docutils literal"><span class="pre">mongodump</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongorestore.html"><code class="docutils literal"><span class="pre">mongorestore</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/bsondump.html"><code class="docutils literal"><span class="pre">bsondump</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongoimport.html"><code class="docutils literal"><span class="pre">mongoimport</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongoexport.html"><code class="docutils literal"><span class="pre">mongoexport</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongostat.html"><code class="docutils literal"><span class="pre">mongostat</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongotop.html"><code class="docutils literal"><span class="pre">mongotop</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongoreplay.html"><code class="docutils literal"><span class="pre">mongoreplay</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongoldap.html"><code class="docutils literal"><span class="pre">mongoldap</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/mongofiles.html"><code class="docutils literal"><span class="pre">mongofiles</span></code></a></li><li class="toctree-l3"><a class="reference internal" href="reference/program/install_compass.html"><code class="docutils literal"><span class="pre">install_compass</span></code></a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/configuration-options.html">Configuration File Options</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/expansion-directives.html">Externally Sourced Configuration File Values</a></li><li class="toctree-l3"><a class="reference internal" href="tutorial/convert-command-line-options-to-yaml.html">Convert Command-Line Options to YAML</a></li><li class="toctree-l3"><a class="reference internal" href="reference/configuration-file-settings-command-line-options-mapping.html">Configuration File Settings and Command-Line Options Mapping</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/parameters.html">MongoDB Server Parameters</a></li><li class="toctree-l2"><a class="reference internal" href="reference/limits.html">MongoDB Limits and Thresholds</a></li><li class="toctree-l2"><a class="reference internal" href="reference/explain-results.html">Explain Results</a></li><li class="toctree-l2"><a class="reference internal" href="reference/system-collections.html">System Collections</a></li><li class="toctree-l2"><a class="reference internal" href="reference/connection-string.html">Connection String URI Format</a></li><li class="toctree-l2"><a class="reference internal" href="reference/collation.html">Collation</a><ul><li class="toctree-l3"><a class="reference internal" href="reference/collation-locales-defaults.html">Collation Locales and Default Parameters</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="reference/mongodb-wire-protocol.html">MongoDB Wire Protocol</a></li><li class="toctree-l2"><a class="reference internal" href="reference/log-messages.html">Log Messages</a></li><li class="toctree-l2"><a class="reference internal" href="reference/exit-codes.html">Exit Codes and Statuses</a></li><li class="toctree-l2"><a class="reference internal" href="reference/glossary.html">Glossary</a></li><li class="toctree-l2"><a class="reference internal" href="reference/default-mongodb-port.html">Default MongoDB Port</a></li><li class="toctree-l2"><a class="reference internal" href="reference/server-sessions.html">Server Sessions</a></li></ul></li><li class="toctree-l1"><a class="reference internal" href="release-notes.html">Release Notes</a><ul><li class="toctree-l2"><a class="reference internal" href="release-notes/4.2.html">Release Notes for MongoDB 4.2</a><ul><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-compatibility.html">Compatibility Changes in MongoDB 4.2</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-upgrade-standalone.html">Upgrade a Standalone to 4.2</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-upgrade-replica-set.html">Upgrade a Replica Set to 4.2</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-upgrade-sharded-cluster.html">Upgrade a Sharded Cluster to 4.2</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-downgrade.html">Downgrade 4.2 to 4.0</a><ul><li class="toctree-l4"><a class="reference internal" href="release-notes/4.2-downgrade-standalone.html">Downgrade 4.2 Standalone to 4.0</a></li><li class="toctree-l4"><a class="reference internal" href="release-notes/4.2-downgrade-replica-set.html">Downgrade 4.2 Replica Set to 4.0</a></li><li class="toctree-l4"><a class="reference internal" href="release-notes/4.2-downgrade-sharded-cluster.html">Downgrade 4.2 Sharded Cluster to 4.0</a></li></ul></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.2-changelog.html">4.2 Changelog</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="release-notes/4.0.html">Release Notes for MongoDB 4.0</a><ul><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-compatibility.html">Compatibility Changes in MongoDB 4.0</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-upgrade-standalone.html">Upgrade a Standalone to 4.0</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-upgrade-replica-set.html">Upgrade a Replica Set to 4.0</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-upgrade-sharded-cluster.html">Upgrade a Sharded Cluster to 4.0</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-downgrade-standalone.html">Downgrade 4.0 Standalone to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-downgrade-replica-set.html">Downgrade 4.0 Replica Set to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-downgrade-sharded-cluster.html">Downgrade 4.0 Sharded Cluster to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/4.0-changelog.html">4.0 Changelog</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="release-notes/3.6.html">Release Notes for MongoDB 3.6</a><ul><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-changelog.html">3.6 Changelog</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-compatibility.html">Compatibility Changes in MongoDB 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-upgrade-standalone.html">Upgrade a Standalone to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-upgrade-replica-set.html">Upgrade a Replica Set to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-upgrade-sharded-cluster.html">Upgrade a Sharded Cluster to 3.6</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-downgrade-standalone.html">Downgrade 3.6 Standalone to 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-downgrade-replica-set.html">Downgrade 3.6 Replica Set to 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.6-downgrade-sharded-cluster.html">Downgrade 3.6 Sharded Cluster to 3.4</a></li></ul></li><li class="toctree-l2"><a class="reference internal" href="release-notes/3.4.html">Release Notes for MongoDB 3.4</a><ul><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-changelog.html">3.4 Changelog</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-compatibility.html">Compatibility Changes in MongoDB 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-upgrade-standalone.html">Upgrade a Standalone to 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-upgrade-replica-set.html">Upgrade a Replica Set to 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-upgrade-sharded-cluster.html">Upgrade a Sharded Cluster to 3.4</a></li><li class="toctree-l3"><a class="reference internal" href="release-notes/3.4-downgrade.html">Downgrade MongoDB 3.4 to 3.2</a><ul><li class="toctree-l4"><a class="reference internal" href="release-notes/3.4-downgrade-standalone.html">Downgrade 3.4 Standalone to 3.2</a></li><li class="toctree-l4"><a class="reference internal" 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